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Released: 2024-03-27 18:07:31
AT 2024eyo (ATLAS24ein): a bright supernova candidate in ESO 285- G 048 (32.156 Mpc)
I. Pérez-Fournon and F. Poidevin (IAC and ULL)
Source Group: SGLF
Related Objects:
2024eyo [ATLAS24ein]
RA, DEC:20:44:37.597, -45:58:51.79
(311.156653, -45.981052)
Redshift:0.009
Type:SN Ia
We report on LCOGT follow-up photometry of AT 2024eyo (ATLAS24ein), a bright supernova candidate in ESO 285- G 048 (32.156 Mpc)
Released: 2024-03-25 15:17:41
AMI-LA radio detection of the type II SN 2024ehs
Itai Sfaradi (HUJI), Assaf Horesh (HUJI), Lauren Rhodes (Oxford), Rob Fender (Oxford), Dave Green (Cambridge), David ...
Keywords: Supernova, Radio
Related Objects:
2024ehs
RA, DEC:10:53:00.536, +17:34:21.40
(163.252234, 17.572612)
Redshift:0.003776
Type:SN II
Released: 2024-03-23 18:51:23
ATLAS24ehs (AT2024exj): discovery of a candidate SN in WISEA J221919.27-790831.8 (63 Mpc)
J. Sommer (LMU/QUB), K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, A. ...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2024exj [ATLAS24ehs]
RA, DEC:22:19:16.195, -79:08:23.22
(334.817478, -79.139783)
Redshift:
Type:
Here we report the ATLAS discovery of the transient ATLAS24ehs (AT2024exj) in galaxy WISEA J221919.27-790831.8 at magnitude m_o = 16.93 +/- 0.04. At a distance of 63 Mpc, the transient was discove...
Released: 2024-03-22 13:15:25
ATLAS24egd (AT2024ese): discovery of a candidate SN in 2MASXJ20312570-0149298 (87 Mpc)
J. Sommer (LMU/QUB), K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, A. ...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2024ese [ATLAS24egd]
RA, DEC:20:31:27.768, -01:49:10.79
(307.865699, -1.819662)
Redshift:
Type:
Here we report the ATLAS discovery of the transient ATLAS24egd (AT2024ese) in galaxy 2MASXJ20312570-0149298 at magnitude m_o = 16.96 +/- 0.04. At a distance of 87 Mpc and showing a projected offse...
Released: 2024-03-22 01:59:28
DAO Photometric Follow Up of selected Optical Transients
D. D. Balam (Dominion Astrophysical Observatory, National Research Council of Canada) and M R. Kendurkar (GSNST)
Source Group: GSNST
Related Objects:
2024ebl
RA, DEC:07:49:00.976, +16:38:15.28
(117.254068, 16.637578)
Redshift:
Type:
,
2024edg
RA, DEC:14:06:10.259, +36:18:52.57
(211.542745, 36.314601)
Redshift:
Type:
,
2024edi
RA, DEC:13:02:14.637, +47:57:37.47
(195.560987, 47.960408)
Redshift:
Type:
,
2024edw
RA, DEC:16:39:10.579, +29:24:57.73
(249.794079, 29.416037)
Redshift:
Type:
,
2024eeu
RA, DEC:08:28:52.378, +47:15:57.45
(127.218240, 47.265957)
Redshift:
Type:
,
2024egd
RA, DEC:16:30:41.487, +44:30:40.10
(247.672865, 44.511139)
Redshift:0.0316749997
Type:SN II
,
2024efy
RA, DEC:17:44:41.627, +04:28:38.52
(266.173444, 4.477366)
Redshift:
Type:
,
2024ehg
RA, DEC:16:08:21.178, +23:28:41.02
(242.088243, 23.478061)
Redshift:
Type:
,
2024eiu
RA, DEC:10:18:31.338, +41:43:17.33
(154.630573, 41.721480)
Redshift:
Type:
,
2024eks
RA, DEC:09:17:13.373, +31:29:51.49
(139.305720, 31.497637)
Redshift:
Type:
,
2024ehs
RA, DEC:10:53:00.536, +17:34:21.40
(163.252234, 17.572612)
Redshift:0.003776
Type:SN II
Here we present multi-band photometric follow up observations of 11 optical transients using 1.82-m Plaskett Telescope + CCD at Dominion Astrophysical Observatory of the National Research Council o...
Released: 2024-03-20 20:14:14
ZTF discovery of a young, peculiar, thermonuclear supernova in a nearby galaxy
Viraj Karambelkar (Caltech), Nicholas Earley (Caltech), Kaustav Das (Caltech), Jesper Sollerman (OKC), Christoffer Fr...
Source Group: ZTF
Related Objects:
2024epr [ZTF24aahgaov]
RA, DEC:03:06:11.224, +41:51:00.18
(46.546766, 41.850050)
Redshift:0.0053
Type:SN Ia
We report the discovery and classification of ZTF24aahgaov / SN 2024epr - a peculiar, young, thermonuclear supernova in the nearby galaxy NGC 1198 (~25 Mpc).
Released: 2024-03-20 02:30:29
Precise redshift measurement of SN 2024amf
S. Schulze (CIERA/Northwestern), Erica Hammerstein (UMD), Ragnhild Lunnan (OKC), Daniel A. Perley (LJMU), Seán Brenna...
Source Group: ZTF
Related Objects:
2024amf [ZTF24aadfmaf]
RA, DEC:15:34:23.330, -00:08:07.98
(233.597208, -0.135550)
Redshift:0.067
Type:SLSN-I
Related Notes: ,
We present new photometric and spectroscopic observations of SN 2024amf. The spectra show narrow emission lines from H-alpha and [O III]-5007 at a common redshift of 0.0673, lowering the peak absol...
Released: 2024-03-19 18:19:30
Reactivation of the LIGO (LVK) Gravitational-Wave event tool on the TNS
Ofer Yaron (WIS), Nikola Knezevic (AOB), Avner Sass, Avishay Gal-Yam (WIS)
We are pleased to announce the reactivation of TNS services for incoming O4 LVK GW event alerts, providing sky maps and object lists of existing transients on the TNS that fall within event localiz...
Released: 2024-03-16 11:36:32
ATLAS24dqq (AT2024ehs): discovery of a rapidly brightening candidate SN in NGC 3443 (25 Mpc)
K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, A. Aamer, C. R. Angus (Q...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2024ehs [ATLAS24dqq]
RA, DEC:10:53:00.536, +17:34:21.40
(163.252234, 17.572612)
Redshift:0.003776
Type:SN II
Here we report the ATLAS discovery of the transient ATLAS24dqq (AT2024ehs) in galaxy NGC 3443 at magnitude m_o = 18.22 +/- 0.11. At a distance of 25 Mpc (redshift independent, from NED), the trans...
Released: 2024-03-16 00:24:41
ATLAS24dpj (AT2024egz): discovery of a candidate SN in NGC 6925 (28 Mpc)
K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, A. Aamer, C. R. Angus (Q...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2024egz [ATLAS24dpj]
RA, DEC:20:34:21.876, -31:58:49.86
(308.591151, -31.980517)
Redshift:
Type:
Here we report the ATLAS discovery of the transient ATLAS24dpj (AT2024egz) in galaxy NGC 6925 at magnitude m_c = 17.63 +/- 0.08. At a distance of 28 Mpc (redshift independent, from NED), the trans...
Released: 2024-03-15 14:32:26
ePESSTO+ spectroscopic classification of optical transient AT2024egc
C. Vogl, S. Taubenberger (MPA/TUM), G. Csoernyei (MPA), S. Blondin (LAM/ESO), J. Terwel (TCD), E. Concepcion, M. Bron...
Source Group: ePESSTO+
Related Objects:
2024egc [BGEM J191145.30-570804.0]
RA, DEC:19:11:45.308, -57:08:04.06
(287.938783, -57.134461)
Redshift:0.01014
Type:SN IIn
This report includes classifications of one Type IIn SN (AT2024egc).
Released: 2024-03-14 17:16:35
BGEM J191145.30-570804.0 (AT2024egc): discovery of a supernova candidate in ESO 184-25 (44Mpc)
Hugo Tranin, Nadia Blagorodnova (ICCUB), Fiorenzo Stoppa, Danielle Pieterse, Paul Groot, Paul Vreeswijk (Radboud Univ...
Source Group: BlackGEM
Related Objects:
2024egc [BGEM J191145.30-570804.0]
RA, DEC:19:11:45.308, -57:08:04.06
(287.938783, -57.134461)
Redshift:0.01014
Type:SN IIn
Here we report the BlackGEM discovery of the transient BGEM J191145.30-570804.0 (AT2024egc) in the galaxy ESO 184-25 at magnitude m_q = 17.39 +/- 0.02. At a distance of 44 Mpc, the transient was di...
Released: 2024-03-14 15:01:42
ePESSTO+ spectroscopic classification of optical transients
S. Taubenberger, C. Vogl (MPA/TUM), G. Csoernyei (MPA), S. Blondin (LAM/ESO), J. Terwel (TCD), E. Concepcion, M. Bron...
Source Group: ePESSTO+
Related Objects:
2024eff [Gaia24axr]
RA, DEC:05:51:41.890, -19:13:06.24
(87.924542, -19.218400)
Redshift:0.059
Type:TDE
,
2024dbc [ATLAS24cby]
RA, DEC:13:54:51.310, +02:44:38.26
(208.713792, 2.743961)
Redshift:
Type:
,
2024byk [ATLAS24ccu]
RA, DEC:15:28:42.438, -00:41:22.71
(232.176825, -0.689641)
Redshift:0.07
Type:SN Ia
,
2024eek [ATLAS24doa]
RA, DEC:18:37:56.111, -62:31:34.09
(279.483796, -62.526136)
Redshift:0.015
Type:SN II
,
2024dgo [ATLAS24cvw]
RA, DEC:19:02:32.963, -36:21:23.31
(285.637348, -36.356476)
Redshift:0.018
Type:SN II
This report includes classifications of 1 Type Ia SN, 2 Type II SN, 1 TDE (AT2024eff), and another possible TDE (AT2024dbc). AT2024eff displays broad and narrow emission-line components on top of a...
Released: 2024-03-13 14:45:08
ePESSTO+ spectroscopic classification of optical transients
G. Csoernyei (MPA), S. Taubenberger, C. Vogl (MPA/TUM), S. Blondin (LAM/ESO), J. Terwel (TCD), E. Concepcion, M. Bron...
Source Group: ePESSTO+
Related Objects:
2024edz [ATLAS24dnw]
RA, DEC:11:36:04.799, -34:20:08.84
(174.019997, -34.335789)
Redshift:0.056
Type:SN Ia
,
2024ecr [ATLAS24dma]
RA, DEC:13:39:26.127, -16:37:41.30
(204.858860, -16.628140)
Redshift:0.052
Type:SN II
,
2024ecu [ATLAS24dmf]
RA, DEC:18:55:13.934, -42:24:30.44
(283.808058, -42.408456)
Redshift:0.02
Type:SN II
,
2024dgy [ATLAS24cxn]
RA, DEC:04:18:02.401, +01:22:00.57
(64.510004, 1.366825)
Redshift:0.01
Type:SN II
This report includes classifications of one young Type Ia SN (AT2024edz), a young flash-ionized Type II SN (AT2024ecr), and a young Type II SN (AT2024ecu). In addition, we re-classify AT2024dgy as ...
Released: 2024-03-12 15:09:40
ePESSTO+ spectroscopic classification of 5 optical transients
S. Blondin (LAM/ESO), G. Csoernyei (MPA), C. Vogl, S. Taubenberger, (MPA/TUM), J. Terwel (TCD), E. Concepcion, M. Bro...
Source Group: ePESSTO+
Related Objects:
2024dtv [ATLAS24der]
RA, DEC:06:11:03.320, -31:51:43.42
(92.763833, -31.862061)
Redshift:0.04
Type:SN Ia-91T-like
,
2024dym [ATLAS24dgp]
RA, DEC:10:14:38.650, -27:24:39.86
(153.661040, -27.411072)
Redshift:0.014
Type:SN II
,
2024dyv [ATLAS24dgy]
RA, DEC:13:45:57.323, +18:57:15.32
(206.488845, 18.954257)
Redshift:0.027
Type:SN Ib
,
2024ecf [ATLAS24dli]
RA, DEC:13:47:56.783, -25:38:38.55
(206.986596, -25.644042)
Redshift:0.13
Type:SN Ia
,
2023acft [ATLAS23ybi]
RA, DEC:05:15:05.170, -34:24:04.00
(78.771542, -34.401111)
Redshift:0.101
Type:SLSN-II
This report includes classifications of 2 Type Ia SN (one pre-maximum 91T/99aa-like and one normal SN Ia around maximum at z=0.13), 1 young Type II SN, 1 old Type Ib/IIb SN, and an updated classifi...
Released: 2024-03-11 22:26:40
ATLAS24dgp (AT2024dym): discovery of a transient in ESO 500- G 017 (62 Mpc)
K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, A. Aamer, C. R. Angus (Q...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2024dym [ATLAS24dgp]
RA, DEC:10:14:38.650, -27:24:39.86
(153.661040, -27.411072)
Redshift:0.014
Type:SN II
Here we report the ATLAS discovery of a near nuclear transient ATLAS24dgp (AT2024dym) in galaxy ESO 500- G 017 at magnitude m_c = 17.22 +/- 0.04. At a distance of 62 Mpc, the transient was discove...
Released: 2024-03-11 15:49:23
Radio observations of nearby TDE AT2024bgz/ZTF24aaecooj
Walter W. Golay (Harvard), Kate D. Alexander (Arizona), Edo Berger (Harvard), T. Laskar (Utah), Collin T. Christy (Ar...
Related Objects:
2024bgz [ZTF24aaecooj]
RA, DEC:09:44:04.764, -04:12:04.89
(146.019851, -4.201358)
Redshift:0.0585
Type:TDE
Related Notes:
We report new radio observations of the tidal disruption event (TDE) AT2024bgz/ZTF24aaecooj.
Released: 2024-03-08 16:39:42
ePESSTO+ spectroscopic classification of 2 optical transients
C. Vogl, S. Taubenberger, (MPA/TUM), G. Csoernyei (MPA), S. Blondin (LAM/ESO), L. Galbany (ICE), T. Killestein (Turku...
Source Group: ePESSTO+
Related Objects:
2024ddk [ATLAS24cts]
RA, DEC:15:46:37.540, -13:22:39.65
(236.656417, -13.377681)
Redshift:0.026
Type:SN Ia
,
2024ut [ATLAS24apr]
RA, DEC:12:14:11.133, -25:07:54.81
(183.546386, -25.131891)
Redshift:0.24
Type:SLSN-I
This report includes the classification of AT2024ddk, a highly-reddened Type Ia SN around one week past maximum light, and an updated classification of AT2024ut, whose spectrum on UT 2024 Jan 17 in...
Released: 2024-03-07 21:00:06
Fast evolving transients from joint ZTF and DECam observations
Tomás Ahumada (Caltech), Lei Hu (CMU), Tomás Cabrera (CMU), Igor Andreoni (UMD/JSI),  Shreya Anand (Caltech), Mansi K...
Keywords: Surveys, Transient
Related Objects:
2024dzd [ZTF24aagpnbv]
RA, DEC:08:05:39.270, +11:25:01.33
(121.413623, 11.417036)
Redshift:
Type:
,
2024dyz [ZTF24aaexila]
RA, DEC:08:19:23.776, -02:54:09.79
(124.849067, -2.902719)
Redshift:
Type:
,
2024dze [ZTF24aacmutx]
RA, DEC:08:07:49.684, +00:02:10.11
(121.957015, 0.036142)
Redshift:
Type:
,
2024dzf [ZTF24aagpmwj]
RA, DEC:08:01:15.889, +11:01:57.42
(120.316206, 11.032617)
Redshift:
Type:
,
2024dzg [ZTF24aagpmfp]
RA, DEC:07:54:24.430, +09:36:22.61
(118.601790, 9.606280)
Redshift:
Type:
,
2024dzh [ZTF24aagpnzt]
RA, DEC:07:53:41.959, -00:35:20.58
(118.424828, -0.589051)
Redshift:
Type:
We present the results of the monthly ZTF experiment, conducted concurrently with DECam observations, which aimed to detect rapidly evolving transients in the combined dataset. Despite adverse weat...
Released: 2024-03-07 17:50:44
Serendipitous Discovery of Optical Transient with GMOS
Wynn Jacobson-Galán (UC Berkeley), Charlie Kilpatrick (Northwestern University)
Source Group: YSE
Related Objects:
2024dzc
RA, DEC:03:24:21.750, -21:33:33.16
(51.090625, -21.559211)
Redshift:
Type:
We report the serendipitous discovery of an optical transient in NGC 1325 using Gemini GMOS-S.
Released: 2024-03-07 16:03:56
ePESSTO+ spectroscopic classification of optical transients
S. Taubenberger, C. Vogl (MPA/TUM), G. Csoernyei (MPA), S. Blondin (LAM/ESO), L. Galbany (ICE), T. Killestein (Turku)...
Source Group: ePESSTO+
Related Objects:
2024dwn [ZTF24aaguabz]
RA, DEC:14:07:56.900, -23:11:15.65
(211.987083, -23.187681)
Redshift:0.043
Type:SN Ia
,
2024djz [GOTO24up]
RA, DEC:13:53:38.849, +21:20:49.11
(208.411870, 21.346974)
Redshift:0.028
Type:SN Ia
,
2024dxh [ZTF24aagtqam]
RA, DEC:14:02:08.630, -08:03:46.58
(210.535958, -8.062939)
Redshift:0.02
Type:SN II
,
2024alt [ZTF24aacfsyl]
RA, DEC:08:30:42.420, +05:28:43.92
(127.676750, 5.478865)
Redshift:
Type:
,
2024byt [PS24anc]
RA, DEC:11:08:34.260, -00:30:23.81
(167.142752, -0.506613)
Redshift:
Type:
This report includes classifications of two young Type Ia SNe and one Type II SN, and two highly uncertain classifications: AT2024alt is a possible broad-line SN Ic at a redshift z~0.03, while AT20...
Released: 2024-03-06 20:44:10
Classification of SN2024ahr as a Type I superluminous supernova at z~0.1
Jacob Wise (LJMU), Sean Brennan (OKC), Jesper Sollerman (OKC), Steve Schulze (Northwestern), Daniel Perley (LJMU)
Source Group: ZTF
Related Objects:
2024ahr [ZTF24aacrbua]
RA, DEC:14:21:59.270, -12:30:22.07
(215.496958, -12.506131)
Redshift:0.1
Type:SLSN-I
Related Notes:
A spectrum of the slow-rising transient SN2024ahr (ZTF24aacrbua) obtained ALFOSC on the Nordic Optical Telescope shows broad features consistent with previous Type I superluminous supernovae at a r...
Released: 2024-03-06 18:05:07
ePESSTO+ spectroscopic classification of optical transients
G. Csoernyei (MPA), S. Taubenberger, C. Vogl (MPA/TUM), S. Blondin (LAM/ESO), L. Galbany (ICE), T. Killestein (Turku)...
Source Group: ePESSTO+
Related Objects:
2024dgy [ATLAS24cxn]
RA, DEC:04:18:02.401, +01:22:00.57
(64.510004, 1.366825)
Redshift:0.01
Type:SN II
,
2024dnk [ATLAS24bsd]
RA, DEC:10:06:57.654, -37:22:01.93
(151.740224, -37.367203)
Redshift:0.37
Type:
,
2024dhj [GOTO24ue]
RA, DEC:11:35:47.470, -49:01:48.97
(173.947792, -49.030269)
Redshift:0.017
Type:SN II
,
2024amf [ZTF24aadfmaf]
RA, DEC:15:34:23.330, -00:08:07.98
(233.597208, -0.135550)
Redshift:0.067
Type:SLSN-I
,
2024diq [ATLAS24czw]
RA, DEC:18:38:18.331, -65:25:04.01
(279.576380, -65.417780)
Redshift:0.013
Type:SN II
This report includes classifications of 2 young Type II SNe (one displaying flash-ionized features in its spectrum, SN2024diq), 1 possible Type I SLSN (SN2024amf), and 2 objects presenting a featur...
Released: 2024-03-06 13:04:01
Classification of AT2024diq as a flash ionized Type II SN at z=0.0146
Simon de Wet (SAAO, UCT), Orapeleng Mogawana (SAAO, UCT), Nic Erasmus (SAAO), Paul Groot (SAAO,UCT,Radboud), Rachel B...
Source Group: BlackGEM
Keywords: Supernova, Transient
Related Objects:
2024diq
RA, DEC:18:38:18.331, -65:25:04.01
(279.576380, -65.417780)
Redshift:0.013
Type:SN II
We report the discovery of flash-ionised emission lines in early spectroscopy of AT2024diq.
Released: 2024-03-06 05:56:16
ZTF superluminous supernova candidates
Steve Schulze (CIERA/Northwestern), Daniel A. Perley, Jacob Wise (LJMU), Ragnhild Lunnan, Anamaria Gkini, Sean Brenna...
Source Group: ZTF
Keywords: Supernova, Transient
Related Objects:
2024amf [ZTF24aadfmaf]
RA, DEC:15:34:23.330, -00:08:07.98
(233.597208, -0.135550)
Redshift:0.067
Type:SLSN-I
,
2024alt [ZTF24aacfsyl]
RA, DEC:08:30:42.420, +05:28:43.92
(127.676750, 5.478865)
Redshift:
Type:
,
2024byt [ZTF24aaejnbx]
RA, DEC:11:08:34.260, -00:30:23.81
(167.142752, -0.506613)
Redshift:
Type:
,
2023acko [ZTF23abqgbuh]
RA, DEC:08:10:25.201, -04:09:58.46
(122.605006, -4.166239)
Redshift:
Type:
,
2023aaao [ZTF23absjeul]
RA, DEC:11:25:22.681, +30:57:06.45
(171.344504, 30.951791)
Redshift:
Type:
,
2024ahr [ZTF24aacrbua]
RA, DEC:14:21:59.270, -12:30:22.07
(215.496958, -12.506131)
Redshift:0.1
Type:SLSN-I
We report 6 ZTF superluminous supernova candidates selected by our software filter and subsequent vetting. In this sample, a typical rise time is about 50 days and a typical peak r-band magnitude i...
Released: 2024-03-03 17:12:32
ATLAS24dct (AT2024drv): discovery of a rapidly brightening candidate SN in UGC 08630 (29 Mpc)
K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, A. Aamer, C. R. Angus (Q...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2024drv [ATLAS24dct]
RA, DEC:13:38:27.852, +33:06:55.70
(204.616051, 33.115471)
Redshift:0.008132
Type:SN II
Here we report the ATLAS discovery of the transient ATLAS24dct (AT2024drv) in galaxy UGC 08630 at magnitude m_o = 16.68 +/- 0.03. At a distance of 29 Mpc (redshift independent, from NED), the tran...
Released: 2024-02-29 11:30:12
ATLAS24czw (AT2024diq): discovery of a candidate SN possibly in ESO103-G035 (58 Mpc)
P. Ramsden (QUB/Birmingham), K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sh...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2024diq [ATLAS24czw]
RA, DEC:18:38:18.331, -65:25:04.01
(279.576380, -65.417780)
Redshift:0.013
Type:SN II
Here we report the ATLAS discovery of the transient ATLAS24czw (AT2024diq) at magnitude m_o = 17.12 +/- 0.07, offset 38" from the galaxy ESO103-G035. The transient was discovered on MJD = 60368.34 ...
Released: 2024-02-29 01:18:03
Monthly ZTF public experiment - Announcement
Tomás Ahumada (Caltech), Shreya Anand (Caltech), Yu-Jing Qin (Caltech), Mansi Kasliwal (Caltech), Tomás Cabrera (CMU)...
Keywords: Surveys
We announce the third experimental survey with the Zwicky Transient Facility (ZTF) to happen for three consecutive nights starting on 2024-03-01 03:06:28.678 UT. This multi-wavelength, high-cadence...
Released: 2024-02-27 09:12:39
ATLAS24cvv (AT2024dgn): discovery of a candidate supernova in NGC 6794 (87 Mpc)
P. Ramsden (QUB/Birmingham), K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sh...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2024dgn [ATLAS24cvv]
RA, DEC:19:28:04.893, -38:54:52.59
(292.020387, -38.914609)
Redshift:0.020077
Type:SN Ia
Here we report the ATLAS discovery of the transient ATLAS24cvv (AT2024dgn) in galaxy NGC 6794 at magnitude m_o = 15.93 +/- 0.03. At a distance of 87 Mpc, the transient was discovered on MJD = 6036...
Released: 2024-02-17 11:55:50
Shane Kast spectral classification of transients
Jacob Wise (LJMU), K-Ryan Hinds (LJMU), R. Michael Rich (UCLA), Daniel Perley (LJMU), Ola Bochenek (LJMU)
Source Group: ZTF
Related Objects:
2023aase [ZTF24aaaimkm]
RA, DEC:11:32:22.070, -03:19:20.50
(173.091958, -3.322361)
Redshift:0.2
Type:SLSN-I
,
2024aci [ZTF24aaaeisk]
RA, DEC:01:46:53.608, +34:52:15.80
(26.723365, 34.871054)
Redshift:0.07
Type:SN Ia
,
2023acbs [ZTF23abvnmam]
RA, DEC:02:44:05.109, +16:40:08.93
(41.021287, 16.669147)
Redshift:0.0393
Type:SN II
,
2024J [ZTF24aaabybk]
RA, DEC:08:27:25.638, +03:28:49.58
(126.856827, 3.480440)
Redshift:0.0336
Type:SN Ic
,
2024anb [ZTF24aacxzca]
RA, DEC:10:34:02.911, +16:21:48.46
(158.512128, 16.363460)
Redshift:0.0519
Type:SN II
,
2024bhq [ZTF24aaedpbn]
RA, DEC:10:01:57.158, -25:50:18.38
(150.488160, -25.838438)
Redshift:0.0474
Type:SN Ia
,
2024alo [ZTF24aacbqld]
RA, DEC:00:15:41.309, +17:31:21.94
(3.922121, 17.522761)
Redshift:0.0194
Type:SN IIb
,
2024dg [ZTF24aaacvhp]
RA, DEC:13:17:18.531, +32:55:41.55
(199.327214, 32.928209)
Redshift:0.0513
Type:SN Ia
,
2024xh [ZTF24aabqfbn]
RA, DEC:13:41:33.316, +15:42:47.08
(205.388817, 15.713079)
Redshift:0.06
Type:SN II
,
2024mi [ZTF23abvzhwa]
RA, DEC:07:37:30.138, +45:17:12.80
(114.375576, 45.286890)
Redshift:0.085
Type:SN Ia
,
2024bfe [ZTF24aadknte]
RA, DEC:08:43:36.836, +65:15:26.30
(130.903485, 65.257306)
Redshift:0.073
Type:SN Ia
,
2024ans [ZTF24aacgrqp]
RA, DEC:12:06:35.080, +54:08:02.11
(181.646167, 54.133919)
Redshift:0.051
Type:SN Ia
,
2024ng [ZTF24aaapkel]
RA, DEC:09:39:38.722, +18:24:17.13
(144.911343, 18.404760)
Redshift:
Type:
,
2024xt [ZTF24aabpdug]
RA, DEC:11:14:56.009, +50:20:07.42
(168.733370, 50.335395)
Redshift:
Type:
,
2023acco [ZTF23abvokyz]
RA, DEC:02:14:53.710, +09:25:46.38
(33.723792, 9.429550)
Redshift:0.0888
Type:SLSN-I
,
2024hw [ZTF24aaaibep]
RA, DEC:10:46:52.357, -01:23:27.42
(161.718154, -1.390949)
Redshift:0.0389
Type:SN
We report observations of 16 transients using the Shane Kast spectrograph at the Lick observatory on the nights of 2024-02-10 and 2024-02-11. Classifications were found for 12 objects, which includ...
Released: 2024-02-16 19:33:11
Radio detection of the nuclear transient AT2020afhd/ZTF20abwtifz
Collin T. Christy (Arizona), Kate D. Alexander (Arizona), Noah Franz (Arizona), Walter W. Golay (Harvard), Suvi Gezar...
Keywords: Radio, Transient, TDE, AGN
Related Objects:
2020afhd [ZTF20abwtifz]
RA, DEC:03:13:35.700, -02:09:06.37
(48.398750, -2.151769)
Redshift:0.027
Type:TDE
Related Notes: ,
We report the detection of radio emission coincident with the nuclear transient AT2020afhd.
Released: 2024-02-16 10:24:36
Asiago spectroscopic classification of optical transient with RoboCop (Robotic Copernico Telescope)
L. Tomasella, E. Cappellaro, S. Benetti (INAF OAPd), T. Forte, A. Frigo, M. Mosele, L. Traverso (technical staff at I...
Source Group: Padova-Asiago
Related Objects:
2024csl [ZTF24aaejjfw]
RA, DEC:11:08:12.405, +28:53:34.55
(167.051686, 28.892931)
Redshift:0.0709
Type:SN Ia-91T-like
The Asiago Transient Classification Program (Tomasella et al. 2014, AN, 335, 841) reports the spectroscopic observations of AT2024csl as a Type Ia-91T like SN obtained with the Asiago 1.82m Coperni...
Released: 2024-02-15 15:17:17
ATLAS24cml (AT2024ctd): discovery of a candidate supernova in MCG -01-32-025 (100 Mpc)
M. McCollum, K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, T. Moore, J. Weston, X. Sheng, A. Aamer, C. R. Angus (Q...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2024ctd [ATLAS24cml]
RA, DEC:12:35:00.300, -05:29:17.01
(188.751252, -5.488060)
Redshift:0.023
Type:SN Ib/c
Here we report the ATLAS discovery of the transient ATLAS24cml (AT2024ctd) in galaxy MCG -01-32-025 at magnitude m_o = 19.21 +/- 0.23. At a distance of 100 Mpc, the transient was discovered on MJ...
Released: 2024-02-15 07:22:43
Re-Classification of AT 2020afhd as a Bowen Fluorescence Flare at z=0.027
Iair Arcavi, Sara Faris (TAU), Megan Newsome (UCSB/LCO), Marzena Sniegowska, Benny Trakhtenbrot (TAU)
Source Group: StarDestroyers
Keywords: TDE, Transient, AGN
Related Objects:
2020afhd [ZTF20abwtifz]
RA, DEC:03:13:35.700, -02:09:06.37
(48.398750, -2.151769)
Redshift:0.027
Type:TDE
Related Notes:
We re-classify AT 2020afhd as a Bowen Fluorescence Flare (BFF) at z=0.027 given its spectral features in a new Las Cumbres Observatory Floyds spectrum, which are more consistent with those seen in ...
Released: 2024-02-14 22:00:44
GOTO-FAST classification of AT2024cew
B. Godson, B. Warwick, D. O'Neill, J. Lyman, T. Killestein, M. Pursiainen, K. Ackley, A. Kumar, D. Coppejans, ...
Source Group: GOTO
Related Objects:
2024cew [GOTO24pw]
RA, DEC:17:01:05.291, +68:43:46.30
(255.272044, 68.729529)
Redshift:0.15
Type:SN Ia-pec
Related Notes:
This report includes the classification of 1 Type Ia SN.
Released: 2024-02-14 16:49:41
GOTO-FAST spectroscopic classifications of optical transients
B. Godson, M. Pursiainen, B. Warwick, M. J. Dyer, M. Mitchell, D. O'Neill, J. Lyman, T. Killestein, A. Sahu, A. ...
Source Group: GOTO
Related Objects:
2024biz [GOTO24lw]
RA, DEC:05:14:32.860, -04:40:33.24
(78.636917, -4.675900)
Redshift:0.025
Type:SN IIP
,
2024bww [GOTO24oj]
RA, DEC:10:04:28.697, +50:43:23.22
(151.119569, 50.723118)
Redshift:0.081
Type:SN Ia
,
2024cmn [ATLAS24cli]
RA, DEC:12:25:41.095, -16:37:25.52
(186.421229, -16.623756)
Redshift:0.067
Type:Galaxy
,
2024cmh [ZTF23aaabvwv]
RA, DEC:13:01:29.203, +07:50:29.55
(195.371679, 7.841542)
Redshift:0.045
Type:SN Ia
This report includes the classification of 2 type Ia SNe, 1 type II SN (possibly II-P), and one galaxy continuum.
Released: 2024-02-13 19:04:07
Asiago Spectroscopic classification of SN 2024cao and AT 2024ccb within the 2023 NEON Observing School
A. Reguitti (INAF-OAB; INAF-OAPd), L. Izzo (INAF-OACn; DARK/NBI), I.F. Giudice (INAF-OACn), Z. Bora (Konkoly Observat...
Source Group: Padova-Asiago
Related Objects:
2024ccb [ATLAS24chb]
RA, DEC:00:42:57.190, +41:19:03.68
(10.738292, 41.317689)
Redshift:-0.001
Type:Nova
,
2024cao [ZTF24aaelfxz]
RA, DEC:23:51:34.981, +36:14:29.78
(357.895753, 36.241605)
Redshift:0.03
Type:SN Ia
We report the spectroscopic classification of SN 2024cao as a SN Ia and AT 2024ccb as a Fe II Nova in M31.
Released: 2024-02-13 17:44:24
GOTO-FAST spectroscopic classifications of optical transients
B. Godson, M. Pursiainen, B. Warwick, M. J. Dyer, M. Mitchell, D. O'Neill, J. Lyman, T. Killestein, A. Sahu, A....
Source Group: GOTO
Related Objects:
2024ccf [ZTF20aclpdmt]
RA, DEC:05:30:27.413, -13:50:00.20
(82.614220, -13.833389)
Redshift:0.045
Type:SN Ia
,
2024bzx [ZTF24aaejwkz]
RA, DEC:12:42:50.745, +20:41:13.08
(190.711435, 20.686968)
Redshift:0.063
Type:SN Ia
,
2024cdt [ZTF24aaekclg]
RA, DEC:15:20:42.890, +49:06:26.42
(230.178708, 49.107339)
Redshift:0.04
Type:SN II
,
2024cld [GOTO24ql]
RA, DEC:15:50:21.550, +18:56:20.22
(237.589792, 18.938950)
Redshift:0.014
Type:SN II
This report includes classifications of 2 Type Ia's and 2 Type IIs including the nearby flash ionised SN 2024cld (see https://www.wis-tns.org/astronotes/astronote/2024-48).
Released: 2024-02-13 13:05:26
GOTO-FAST identification of a flash-ionised Type II supernova at 42 Mpc
B. Warwick, B.Godson, M. Pursiainen, M. Mitchell, M. J. Dyer, D. O'Neill, J. Lyman, A. Sahu, T. Killestein, A. K...
Source Group: GOTO
Related Objects:
2024cld [GOTO24ql]
RA, DEC:15:50:21.550, +18:56:20.22
(237.589792, 18.938950)
Redshift:0.014
Type:SN II
Here we report the classification of the nearby and young Type II SN 2024cld.
Released: 2024-02-11 16:44:50
GOTO-FAST spectroscopic classifications of optical transients
B. Godson, B. Warwick, M. Pursiainen, M. J. Dyer, B. Davies, M. Mitchell, J. Lyman, T. Killestein, A. Sahu, P. Chara...
Source Group: GOTO
Related Objects:
2024brg [ATLAS24bvo]
RA, DEC:03:14:09.267, +16:28:29.24
(48.538613, 16.474790)
Redshift:0.0336
Type:SN II
,
2024bgz [ZTF24aaecooj]
RA, DEC:09:44:04.764, -04:12:04.89
(146.019851, -4.201358)
Redshift:0.0585
Type:TDE
,
2024bzq [ATLAS24cdk]
RA, DEC:11:44:33.942, +36:26:41.19
(176.141427, 36.444774)
Redshift:0.03274
Type:
,
2024byg [ASASSN-24ax]
RA, DEC:12:51:53.830, -04:34:24.79
(192.974291, -4.573552)
Redshift:0.0088
Type:SN II
,
2024bjk [ATLAS24bok]
RA, DEC:15:06:33.850, +05:13:23.59
(226.641042, 5.223219)
Redshift:0.031
Type:SN Ia
,
2024anm [ATLAS24bci]
RA, DEC:16:28:36.860, +40:56:02.08
(247.153583, 40.933911)
Redshift:0.029
Type:SN Ia
This report includes classifications of 2 Type Ia's, 1, Type II and, 1 TDE as well two targets showing a blue continuum with no clear classification. AT2024bgz is spectrally matched to known TDEs. ...
Released: 2024-02-08 22:25:42
AT2024biz confirmed as SN, possilby type II around maximum.
M.Dennefeld (IAP/Paris and Sorbonne University), J.P. Troncin (OHP), C. Adami (LAM)
Keywords: Supernova
Related Objects:
2024biz [GOTO24lw]
RA, DEC:05:14:32.860, -04:40:33.24
(78.636917, -4.675900)
Redshift:0.025
Type:SN IIP
AT2024biz is indeed a SN, possibly type II around max, needs re-confirmation
Released: 2024-02-08 16:38:40
GOTO-FAST spectroscopic classifications of optical transients
B. Godson, M. J. Dyer, N. Koivisto, B. Davies, M. Pursiainen, D. O'Neill, A. Sahu, K. Ackley, F. Jim'enez-I...
Source Group: GOTO
Related Objects:
2024bgw [ZTF24aadrjtp]
RA, DEC:03:48:31.577, -05:10:06.70
(57.131572, -5.168526)
Redshift:0.1001
Type:SN Ia
,
2024bvh [GOTO24mq]
RA, DEC:05:42:10.463, +10:36:24.75
(85.543594, 10.606875)
Redshift:0.067
Type:SN Ia
,
2024bio [ZTF24aaecreq]
RA, DEC:10:24:50.001, +28:41:08.77
(156.208337, 28.685769)
Redshift:0.07
Type:SN Ia
,
2023zao [ATLAS23wuh]
RA, DEC:13:06:23.410, +35:14:01.28
(196.597542, 35.233689)
Redshift:0.018
Type:SN IIP
,
2024bvg [GOTO24nz]
RA, DEC:12:30:22.970, +10:52:19.37
(187.595708, 10.872047)
Redshift:0.066
Type:SN Ia
,
2024bck [GOTO24gz]
RA, DEC:14:58:20.677, +67:25:07.27
(224.586155, 67.418686)
Redshift:0.06
Type:SN Ia
This report includes classifications of 5 Type Ia SNe and 1 Type II-P SN.
Released: 2024-02-07 17:00:00
GOTO-FAST spectroscopic classifications of optical transients
M. J. Dyer, N. Koivisto, B. Davies, B. Godson, M. Pursiainen, P. Charalampopoulos, M. Magee, K. Ackley, F. Jim'e...
Source Group: GOTO
Related Objects:
2024bqu [GOTO24jz]
RA, DEC:10:55:59.046, +11:54:55.70
(163.996026, 11.915472)
Redshift:0.0782
Type:SN Ia
,
2024bth [GOTO24na]
RA, DEC:07:18:38.268, +04:18:34.81
(109.659450, 4.309669)
Redshift:0.037
Type:SN IIn
,
2024bqo [ATLAS24bte]
RA, DEC:07:09:44.536, -03:16:27.09
(107.435568, -3.274191)
Redshift:
Type:CV
,
2024btj [PSP24K]
RA, DEC:11:39:14.350, +56:15:38.09
(174.809792, 56.260581)
Redshift:0.007976
Type:SN II
,
2024bto [GOTO24hl]
RA, DEC:15:11:03.570, +07:31:50.27
(227.764875, 7.530631)
Redshift:0.0321
Type:SN Ia
,
2024bgg [ZTF24aadtzeh]
RA, DEC:05:26:36.381, -10:32:50.26
(81.651586, -10.547295)
Redshift:0.05744
Type:SN Ia
This report includes classifications of 3 Type Ia, 1 Type II, 1 Type IIn and 1 CV.
Released: 2024-02-06 18:02:55
ZTF discovery of the second flare from the tidal disruption event AT2022dbl
Yuhan Yao, Ryan Chornock, Natalie LeBaron (UC Berkeley), Erica Hammerstein (UMD), Vikram Ravi, Jean Somalwar (Caltech...
Source Group: ZTF
Keywords: TDE, Optical, Time-domain
Related Objects:
2022dbl
RA, DEC:12:20:45.010, +49:33:04.68
(185.187540, 49.551300)
Redshift:0.0284
Type:TDE
,
2020vdq
RA, DEC:10:08:53.440, +42:43:00.23
(152.222667, 42.716731)
Redshift:0.044
Type:TDE
Related Notes:
We report ZTF discovery of the second flare from the TDE AT2022dbl.
Released: 2024-02-05 18:28:19
ATLAS24bua (AT2024bqy): discovery of a candidate SN in ESO 580- G 031 (78 Mpc)
K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, A. Aamer, C. R. Angus (Q...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2024bqy [ATLAS24bua]
RA, DEC:14:47:35.810, -19:23:17.12
(221.899208, -19.388089)
Redshift:0.023
Type:SN II
Here we report the ATLAS discovery of the transient ATLAS24bua (AT2024bqy) in galaxy ESO 580- G 031 at magnitude m_o = 18.38 +/- 0.12. At a distance of 78 Mpc (redshift independent, from NED), the...
Released: 2024-02-05 16:58:12
GOTO-FAST spectroscopic classifications of optical transients
B. Godson, M. J. Dyer, N. Koivisto, B. Davies, M. Pursiainen, D. O'Neill, A. Sahu, K. Ackley, F. Jim'enez...
Source Group: GOTO
Related Objects:
2024bgr [ZTF24aaeahrt]
RA, DEC:04:48:21.230, -20:25:02.50
(72.088458, -20.417361)
Redshift:0.0713
Type:SN Ia
,
2024bci [GOTO24gy]
RA, DEC:13:37:24.480, +27:25:10.09
(204.352000, 27.419469)
Redshift:0.0366
Type:SN Ia
,
2024bjb [ATLAS24bny]
RA, DEC:11:11:55.793, +03:08:01.28
(167.982471, 3.133688)
Redshift:0.0298
Type:SN Ia-91bg-like
,
2024bkg [ATLAS24bqu]
RA, DEC:13:18:01.468, +15:44:52.87
(199.506117, 15.748019)
Redshift:0.0756
Type:SN Ia
This report includes classifications of 3 Type Ia SNe and 1 Type Ia-91bg-like SN.
Released: 2024-02-05 13:00:27
ATLAS24btz (AT2024bqr): discovery of a candidate SN in UGC 09343 (75 Mpc)
K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, A. Aamer, C. R. Angus (Q...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2024bqr [ATLAS24btz]
RA, DEC:14:30:54.154, +40:42:51.27
(217.725642, 40.714242)
Redshift:0.0178
Type:SN II
Here we report the ATLAS discovery of the transient ATLAS24btz (AT2024bqr) in galaxy UGC 09343 at magnitude m_c = 17.42 +/- 0.06. At a distance of 75 Mpc, the transient was discovered on MJD = 603...
Released: 2024-02-04 11:40:40
ATLAS24bry (AT2024bks): discovery of a candidate SN in ESO 508- G 008 (87 Mpc)
K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, A. Aamer, C. Angus (QUB)...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2024bks [ATLAS24bry]
RA, DEC:13:07:21.620, -27:22:31.26
(196.840083, -27.375350)
Redshift:0.019807
Type:SN Ia
Here we report the ATLAS discovery of the transient ATLAS24bry (AT2024bks) in galaxy ESO 508- G 008 at magnitude m_o = 18.32 +/- 0.17. At a distance of 87 Mpc, the transient was discovered on MJD ...
Released: 2024-02-04 11:02:20
ATLAS24bta (AT2024blf): discovery of a candidate supernova in CGCG 063-029 (97 Mpc)
C.R. Angus, K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, A. Aamer (QU...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2024blf [ATLAS24bta]
RA, DEC:09:39:53.925, +11:02:11.30
(144.974687, 11.036473)
Redshift:
Type:
Here we report the ATLAS discovery of the transient ATLAS2024bta (AT2024blf) in galaxy CGCG 063-029 at magnitude o = 18.84 +/- 0.12. At a distance of 97 Mpc, the transient was discovered on MJD = 6...
Released: 2024-02-03 21:44:04
Classification of AT2020afhd / ZTF20abwtifz as a tidal disruption event and report of Swift XRT detection at z = 0.024
E. Hammerstein (UMD), R. Chornock (Berkeley), S. Gezari (STScI), Y. Yao (Berkeley) on behalf of the ZTF TDE Science W...
Source Group: ZTF
Related Objects:
2020afhd [ZTF20abwtifz]
RA, DEC:03:13:35.700, -02:09:06.37
(48.398750, -2.151769)
Redshift:0.027
Type:TDE
We report the classification of the optical transient ZTF20abwtifz/AT2020afhd (RA = 03:13:35.67, Dec = -02:09:06.21, z = 0.024) as a tidal disruption event (TDE) due to its persistent blue optical ...

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Views Count: 2505
Classification of SN 2020jfo (ZTF20aaynrrh) as a young Type II supernova
Daniel Perley (LJMU), Cristina Barbarino (Stockholm), Jesper Sollerman (Stockholm), Tassilo Schwe...
Released: 2020-04-22
Views Count: 2226
ATLAS20ktt (AT2020hvp): discovery of a candidate supernova in NGC 6118 (27 Mpc)
M. Fulton, K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders, P. Clark, D. O...
Released: 2019-12-31
Views Count: 2042
ePESSTO+ re-classification of AT2019xis as a light echo of SN 1987A in the LMC.
S. Taubenberger (MPA), D. Malesani (DTU Space), G. Terreran (Northwestern), S. J. Smartt (QUB), A...
Released: 2023-05-22
Views Count: 2017
Onset of SN 2023ixf observed over East Asian longitudes
Yiming Mao, Mi Zhang, Guangyao Cai, Jinan Chen, Jin Chen, Xing Gao, Keying Li, Xiaodong Lyu, Yuji...
Released: 2020-06-25
Views Count: 1958
ATLAS20qoq (AT2020nlb): discovery of a candidate SN in MESSIER 85 (17 Mpc)
A. Townsend (Queen's University Belfast / University of Manchester), K. W. Smith, S. Srivast...
Released: 2023-10-11
Views Count: 1868
SN 2023tyk: discovery to spectroscopic classification performed fully automatically
Nabeel Rehemtulla (NU), Adam Miller (NU), Christoffer Fremling (Caltech), D. A. Perley (LJMU), Yu...
Released: 2020-03-30
Views Count: 1763
Fast Radio Bursts (FRBs) now reported to and distributed via the TNS
O. Yaron, E. Ofek, A. Gal-Yam, A. Sass (Weizmann)

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Released: 2024-03-19
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Reactivation of the LIGO (LVK) Gravitational-Wave event tool on the TNS
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